AP EAMCET Engineering 22 Sep 2020 Shift 1 Paper

Section: Chemistry

Question : 159 of 160

Marks: +1, -0

A solution containing 4.5 mM of MnO4− and 15 mM of Mn2+ shows pH of 2. The potential of half - cell reaction is ________
Given : log‌15 = 1.76 & log‌45 = 1.653 & (standard potential of MnO4 → Mn2+ is 1.51 V)

1.51 V
1.31 V
1.71 V
1.04 V

Validate

Go to Question:

Prev Question

Next Question